Code & Development · GitHub ·763 ★

gpt-tokenizer

The fastest JavaScript BPE Tokenizer Encoder Decoder for OpenAI's GPT models (gpt-5, gpt-o*, gpt-4o, etc.). Port of OpenAI's tiktoken with additional features.

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Details

Author
niieani
Category
Code & Development
Platform
GitHub
Framework
openai
Language
typescript
Stars
763
First indexed
2026-05-15
Last active
2026-02-10
Directory sync
2026-05-15
@niieani

Overview

The fastest JavaScript BPE Tokenizer Encoder Decoder for OpenAI's GPT models (gpt-5, gpt-o*, gpt-4o, etc.). Port of OpenAI's tiktoken with additional features.

Quick start

git

git clone https://github.com/niieani/gpt-tokenizer

Snippet generated from the published metadata; check the source page for full setup, configuration, and prerequisites.

What gpt-tokenizer can do

testcode
  • Test — test task automation.
  • Code — Reads and modifies code in your repository.

Frequently asked questions

What is gpt-tokenizer?
The fastest JavaScript BPE Tokenizer Encoder Decoder for OpenAI's GPT models (gpt-5, gpt-o*, gpt-4o, etc.). Port of OpenAI's tiktoken with additional features.
How do I install gpt-tokenizer?
Use git: `git clone https://github.com/niieani/gpt-tokenizer`. Full setup details on the source page linked above.
Is gpt-tokenizer open source?
gpt-tokenizer is published on GitHub.
What are alternatives to gpt-tokenizer?
Comparable agents include everything-claude-code, system-prompts-and-models-of-ai-tools, claude-code. Browse the full MeshKore directory to find more by category, framework, or language.

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Source & freshness

Profile data for gpt-tokenizer is sourced from GitHub, published by niieani.

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